2. Air spraying is more suitable for working for a long time, and the motor cannot work normally due to overheating.
3. Air spraying is not used for electricity, but a pressure source, so there is no danger of electric shock, and since there is no electricity, the tool itself will not generate sparks. However, working in a high-voltage electric field, there is a hidden danger of fire caused by electric spark. There are strict regulations on the safe operation of electrostatic spraying. For example, the conveying equipment and the coated workpiece should always be in a good grounding state, but when spraying conductive paint, the paint conveying pipeline cannot be grounded.
4. The subsequent maintenance cost is much lower than that of electrostatic spraying.
5. Compared with electrostatic spraying, there are specific requirements for the conductivity and volatility of coatings and solvents, and sometimes it is necessary to change the composition of coatings to meet the requirements of electrostatic spraying.
Air spraying is suitable for all kinds of coatings, but it also has a disadvantage, that is, the utilization rate of coatings (30% ~ 70%) is lower than that of electrostatic spraying (80%), and the rebound rate of paint mist is higher than that of electrostatic spraying, so air spraying should pay more attention to the protection of the environment and people.